From: Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org>
To: Kevin Hilman <khilman-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org>
Cc: Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org>,
w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org,
ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org,
Tony Lindgren <tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>,
Linux OMAP Mailing List
<linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Linux ARM Kernel Mailing List
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Paul Walmsley <paul-DWxLp4Yu+b8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH] i2c: omap: ensure writes to dev->buf_len are ordered
Date: Thu, 25 Oct 2012 21:03:40 +0300 [thread overview]
Message-ID: <20121025180339.GA18046@arwen.pp.htv.fi> (raw)
In-Reply-To: <8739124idt.fsf-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 465 bytes --]
Hi,
On Thu, Oct 25, 2012 at 09:38:06AM -0700, Kevin Hilman wrote:
> +Paul
>
> Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org> writes:
>
> > if we allow compiler reorder our writes, we could
> > fall into a situation where dev->buf_len is reset
> > for no apparent reason.
>
> Any chance this would help with the bug Paul found with I2C timeouts on
> beagle userspace startup?
I replied to the original thread asking the same ;-)
--
balbi
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 836 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: balbi@ti.com (Felipe Balbi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] i2c: omap: ensure writes to dev->buf_len are ordered
Date: Thu, 25 Oct 2012 21:03:40 +0300 [thread overview]
Message-ID: <20121025180339.GA18046@arwen.pp.htv.fi> (raw)
In-Reply-To: <8739124idt.fsf@deeprootsystems.com>
Hi,
On Thu, Oct 25, 2012 at 09:38:06AM -0700, Kevin Hilman wrote:
> +Paul
>
> Felipe Balbi <balbi@ti.com> writes:
>
> > if we allow compiler reorder our writes, we could
> > fall into a situation where dev->buf_len is reset
> > for no apparent reason.
>
> Any chance this would help with the bug Paul found with I2C timeouts on
> beagle userspace startup?
I replied to the original thread asking the same ;-)
--
balbi
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20121025/8550556d/attachment-0001.sig>
next prev parent reply other threads:[~2012-10-25 18:03 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-25 9:00 [PATCH] i2c: omap: ensure writes to dev->buf_len are ordered Felipe Balbi
2012-10-25 9:00 ` Felipe Balbi
2012-10-25 16:38 ` Kevin Hilman
2012-10-25 16:38 ` Kevin Hilman
[not found] ` <8739124idt.fsf-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org>
2012-10-25 18:03 ` Felipe Balbi [this message]
2012-10-25 18:03 ` Felipe Balbi
[not found] ` <1351155648-20429-1-git-send-email-balbi-l0cyMroinI0@public.gmane.org>
2012-10-25 9:16 ` Shubhrajyoti Datta
2012-10-25 9:16 ` Shubhrajyoti Datta
2012-10-26 23:01 ` Paul Walmsley
2012-10-26 23:01 ` Paul Walmsley
2012-10-27 10:50 ` Santosh Shilimkar
2012-10-27 10:50 ` Santosh Shilimkar
2012-10-27 15:59 ` Paul Walmsley
2012-10-27 15:59 ` Paul Walmsley
[not found] ` <alpine.DEB.2.00.1210271545390.16409-rwI8Ez+7Ko+d5PgPZx9QOdBPR1lH4CV8@public.gmane.org>
2012-10-28 4:11 ` Santosh Shilimkar
2012-10-28 4:11 ` Santosh Shilimkar
2012-11-01 22:23 ` Wolfram Sang
2012-11-01 22:23 ` Wolfram Sang
[not found] ` <20121101222316.GC22956-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-11-02 8:54 ` Felipe Balbi
2012-11-02 8:54 ` Felipe Balbi
[not found] ` <20121102085447.GE17063-S8G//mZuvNWo5Im9Ml3/Zg@public.gmane.org>
2012-11-05 8:04 ` [PATCH v2] " Felipe Balbi
2012-11-05 8:04 ` Felipe Balbi
2012-11-14 11:20 ` Wolfram Sang
2012-11-14 11:20 ` Wolfram Sang
[not found] ` <20121114112050.GG5954-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2012-11-14 14:22 ` [PATCH v3] " Felipe Balbi
2012-11-14 14:22 ` Felipe Balbi
2012-11-14 16:46 ` Wolfram Sang
2012-11-14 16:46 ` Wolfram Sang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20121025180339.GA18046@arwen.pp.htv.fi \
--to=balbi-l0cymroini0@public.gmane.org \
--cc=ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org \
--cc=khilman-1D3HCaltpLuhEniVeURVKkEOCMrvLtNR@public.gmane.org \
--cc=linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
--cc=linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=paul-DWxLp4Yu+b8AvxtiuMwx3w@public.gmane.org \
--cc=tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org \
--cc=w.sang-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.